有你从此不再孤单有你从此不再寂寞
[yŏu nĭ cóng cĭ bù zài gū dān yŏu nĭ cóng cĭ bù zài jì mò]
It implies 'with you in my life, I won't feel lonely or abandoned anymore', indicating how significant and indispensable this person has become to the user’s daily life. It's often used to express their deep gratitude and love toward this special someone